// Credit: Nicolas Gallagher and SUIT CSS.

.embed-responsive {
    position: relative;
    display: block;
    width: 100%;
    padding: 0;
    overflow: hidden;

    &::before {
        display: block;
        content: "";
    }

    .embed-responsive-item,
    iframe,
    embed,
    object,
    video {
        position: absolute;
        top: 0;
        bottom: 0;
        left: 0;
        width: 100%;
        height: 100%;
        border: 0;
    }
}

@each $embed-responsive-aspect-ratio in $embed-responsive-aspect-ratios {
    $embed-responsive-aspect-ratio-x: nth($embed-responsive-aspect-ratio, 1);
    $embed-responsive-aspect-ratio-y: nth($embed-responsive-aspect-ratio, 2);

    .embed-responsive-#{$embed-responsive-aspect-ratio-x}by#{$embed-responsive-aspect-ratio-y} {
        &::before {
            padding-top: percentage($embed-responsive-aspect-ratio-y / $embed-responsive-aspect-ratio-x);
        }
    }
}